aufwarten mit
to present with
To offer, serve, or present something special.
Das Restaurant konnte mit einer exzellenten Weinkarte aufwarten.
The restaurant was able to present guests with an excellent wine list.

to present / serve
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to present with
To offer, serve, or present something special.
Das Restaurant konnte mit einer exzellenten Weinkarte aufwarten.
The restaurant was able to present guests with an excellent wine list.

'Aufwarten' is a separable verb; the prefix 'auf-' goes at the end in a main clause. Although it contains 'warten' (to wait), it has nothing to do with 'warten' (to wait), but means 'anbieten' (to offer) or 'präsentieren' (to present).
Der Gastgeber wartete mit einem besonderen Dessert auf.
The host presented a special dessert.
In its modern meaning, 'aufwarten' is almost always used with the preposition 'mit' and the dative. The structure is: Jemand wartet mit etwas (Dativ) auf.
Das Museum wartet mit einer neuen Sonderausstellung auf.
The museum is presenting a new special exhibition.
The meaning 'jemandem bei Tisch bedienen' (to serve someone at table) or 'einen Besuch abstatten' (to pay a visit) is outdated. Today, you will find it almost only in historical novels or films.
In dem Roman musste der junge Diener dem König aufwarten.
In the novel, the young servant had to wait on the king.
to offer
'anbieten' and 'aufwarten' can both mean that someone gives or presents something to others. 'anbieten' is neutral and very common: you can offer help, food, goods, or a service. 'aufwarten mit' is used more when something special or surprising is presented. It often sounds somewhat more elevated or lively. Learners may confuse the words because both fit with offers. As a practical rule: for normal offers, use 'anbieten'. For something special, say 'mit etwas aufwarten'.

Zum Geburtstag wartete Anna mit einer selbst gebackenen Torte auf.
For her birthday, Anna presented everyone with a homemade cake.
Im Zug bot mir eine Frau ihren freien Platz an.
On the train, a woman offered me her empty seat.